| All Patents in class 279/57 |
Patents 1 -
15
of 15
      |
| Number | Date | Patentee | Title | Type |
| 320,868 | Jun. 23, 1885 | H.E. Fuller | Bit-brace | |
| 347,417 | Aug. 17, 1886 | W.P. Bullard | Bit-brace | |
| 412,027 | Oct. 01, 1889 | E.F. Spaulding, J. Hartness | Lathe Chuck | metal lathe chucks |
| 451,711 | May 05, 1891 | J. Hartness | Chuck | metal lathe chucks |
| 489,933 | Jan. 17, 1893 | C.M. Conradson | Chuck for Screw Machines | metal lathe chucks |
| 627,815 | Jun. 27, 1899 | H. Austin | Lathe Chuck | metal lathe chucks |
| 658,473 | Sep. 25, 1900 | T. Coventry, W.D. Smith | Chuck | metal lathe chucks |
| 847,573 | Mar. 19, 1907 | B.M. Hanson | Chuck | drill chucks |
| 889,768 | Jun. 02, 1908 | A.L. De Leeuw | Locking Mechanism for Machine Tools | metalworking machine mechanisms |
| 1,120,530 | Dec. 08, 1914 | O.H. Pieper | Tool Holder | tool holders |
| 2,333,180 | Nov. 02, 1943 | M.P. Holmes | Power Operated Chuck | metal lathe chucks |
| 2,343,570 | Mar. 07, 1944 | A.W. Nelson | Chucking Device for Use in Screw and Similar Machines | screw machines |
| 2,424,524 | Jul. 22, 1947 | W.H. Weimer | Boring machine | boring and turning machines |
| 2,529,205 | Nov. 07, 1950 | W.H. Weimer | Machine tool chuck | metal lathe chucks |
| 3,926,447 | Dec. 16, 1975 | J.H. Cox, Jr. | Collet-Type Work Holder | metalworking machine mechanisms |
